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US 11,692,114 B2Granted
Refrigerant composition
AssigneeMexichem Fluor S.A. De C.V.
InventorRobert E. Low
Life of this patent
Estimating the term…
Abstract
A refrigerant composition comprising carbon dioxide (CO2; R-744) and from 1 to 32 weight % difluoromethane (R-32) based on the total weight of the composition is described. Also described is the use of the refrigerant composition for providing heating and cooling and a refrigeration, air-conditioning or heat pump system comprising the refrigerant composition.
Claims32
A refrigerant composition comprising from 50 to 95 weight % carbon dioxide (CO2, R-744), and from 1 to 32 weight % difluoromethane (R-32) and from 1 to 20 weight % of 1,1-dilfuoroethylene (R-1132a) based on the total weight of the refrigerant composition.
Dependencies are inferred from the claim text.